Ectodermal Dysplasia 11b, Hypohidrotic/hair/tooth Type, Autosomal Recessive, also known as ectd11b, is related to ectodermal dysplasia 11a, hypohidrotic/hair/tooth type, autosomal dominant and pompholyx, and has symptoms including spontaneous, recurrent epistaxis An important gene associated with Ectodermal Dysplasia 11b, Hypohidrotic/hair/tooth Type, Autosomal Recessive is EDARADD (EDAR Associated Via Death Domain), and among its related pathways/superpathways are Cytokine Signaling in Immune system and TNF Superfamily - Human Ligand-Receptor Interactions and their Associated Functions. Affiliated tissues include skin, and related phenotypes are ectodermal dysplasia and absent nipple